略称

1. Origins, structure, and basic meaning

• Structure: 略称 is read as りゃくしょう and is a noun for an abbreviation or shortened form of a longer official name.
• Basic usage: Calling something by a shortened name appears in 略称で呼ぶ, while avoiding it on a form appears in 略称は使わない.

2. Common pitfalls and similar expressions

• Formality and context
  • It is convenient in everyday use, but a document requiring precision, such as an application, may require the full official name.
• Difference from 正式名称
  • 正式名称 is the complete registered or official name, while 略称 is its shortened form.